JP6159099B2 - Tape insertion gusset bag - Google Patents

Description

  The present invention is a bite yokan, Japanese confectionery, kamaboko, ham, sausage, cheese, etc., and when these products are filled in a gusset bag formed by inserting a tape, the gusset bag is opened. It is related with the tape insertion gusset bag which can take out the content easily.

  The structural example of the conventional tape insertion gusset bag is shown in FIG. 16, FIG.

  16 and 17, FIG. 16 is an external view of a gusset bag filled with a mouthpiece inside, and FIG. 17 is a cross-sectional view taken along the line CC ′.

  16 and 17, reference numeral 1 denotes a gusset bag. The gusset bag 1 is formed by bending the main body film 3 and butting both end edges 3a and 3b, and inserting the tape 2 inside the butt. Then, it is formed into a cylindrical shape by performing heat sealing, and both sides are folded into a V shape to form gusset portions 4, 4a. After filling, bottom seal 6 is performed.

  In order to open the gusset bag having the above-described configuration and take out the contents, the tape 2 is inserted in the inside. Can not be opened.

Therefore, there was no way for consumers to open the package other than cutting with scissors.

  This example is the same for the gusset bag in the form of a palm.

  As a method for eliminating such inconvenience, Japanese Patent Application Laid-Open No. 2004-142762 uses a special label in a pillow packaging bag, inserts it into the back-pasted joint, picks this label, and tears it laterally. An unsealing method for unsealing has been introduced. However, this method requires a special label, which is expensive and has a problem that tearing is not easily started.

  In addition, the special label may become a foreign object and be mixed into the contents.

  Japanese Patent Application Laid-Open No. 2008-1372 uses an easy-peel film on the inner surface of the gusset bag, and provides an unsealed portion on the back-pasted palm and tears and opens one of the unsealed portions as a tag. Although the unsealing method has been introduced, there is a problem that when the tear is torn, the back portion is lifted, and if the package body is held with one hand, it cannot be easily torn with only the other hand.

JP 2004-142762 A JP 2008-1372 A

  The present invention is proposed for the purpose of solving the problems as described above, and in a gusset bag formed by inserting a tape, it can be easily made by hand without using scissors. It is an object to provide a tape insertion gusset bag that can be torn and opened.

In order to achieve the above object, the gusset bag according to claim 1 is formed in a cylindrical shape by pulling the both side edges of the main body film and superimposing the other edge on one edge. A tape is inserted so as to cover the inside of the edge portion of the film located on the inside, and the tape is heat-sealed along the inner surface of the main body film, and both of the cylindrical main body films are formed. In the tape insertion gusset bag formed by folding the side into a V shape and forming the gusset portion, the edge of the main body film located outside when the stacking is extended and extended in the width direction of the gusset bag. to form a single, set the heat seal strength between the main body film and the tape to form a tear initiation for tearing the tape-shaped end edge of the knob piece easy peelability, And it is characterized in that formed by setting the edge of the tab slightly protruding position from the corner portion or the corner portion of the gusset portion.

The invention described in claim 2 is characterized in that the tape insertion gusset bag according to claim 1 is stretched in a direction crossing the main body film.

The invention described in claim 3 is characterized in that the tear start portion formed in the knob according to claim 1 comprises a V notch, an I notch or a scar.

As described above, according to the present invention, in the gusset bag into which the tape is inserted, by forming a tear start portion (for example, a V notch, an I notch, a scar, etc.) at the edge of the film which is overlapped to be free, When tearing starts in the direction of the tape inserted by picking the tearing means part, tearing proceeds in the direction crossing the gusset bag, and eventually the main body film peels off from the tape and the main body film continues to tear while leaving the tape. After a while, it makes a round and returns to the tape, where the edge sealed with the main body film a is peeled off from the tape so that the bag is divided into two parts up and down, and the divided bags are connected with the tape. To fully open.

Thus, in the case of the gusset bag according to claim 1, since the upper and lower main body films that have been separated remain connected with the tape, it is convenient without being disjointed when discarded.

It is explanatory drawing of the tape insertion gusset bag which concerns on this invention . It is AA 'line sectional drawing . It is explanatory drawing of the Example which extended the pick piece to the corner part of a gusset . It is a BB 'line sectional view . It is explanatory drawing of the state which filled the contents in the gusset bag and sealed . It is explanatory drawing of the state which has peeled easily the main body film from the tape . It is explanatory drawing of the state which peeled the main body film from the tape . It is explanatory drawing of the state which excised and opened the upper half part of a gusset bag, and this upper half part was connected with the tape . It is explanatory drawing of the film of the trunk | drum part of the gusset bag cut to tape shape . It is explanatory drawing of the gusset bag which concerns on a reference example . It is explanatory drawing of the tear start means formed in the main body film . It is explanatory drawing of the tear start part formed in the main body film . It is explanatory drawing of the easy-opening means formed in the tape . In the gusset bag of a reference example , it is explanatory drawing of the state which excised the upper half part and exposed the contents . It is reference explanatory drawing of the manufacturing method of the gusset bag which concerns on this invention . It is explanatory drawing of the conventional tape insertion gusset bag . It is CC 'sectional view taken on the line .

  The first embodiment relates to a tape insertion gusset bag that can expose the upper half of a mouthpiece or the like by dividing the gusset bag 1 into two parts and opening the bag, and corresponds to the invention according to claim 1. .

  1 to 5, reference numeral 1 denotes a gusset bag in the form of a bag. The gusset bag 1 is formed by bending a main body film 3 to draw both end edges 3a and 3b and at one end edge. 3a is overlapped on the other edge 3b, and the tape 2 is heat-sealed so as to cover the inner edge 3b to form a cylindrical shape, and both sides are folded into a V shape. It is the structure which formed the gusset parts 4 and 4a.

In the above-described configuration, the end 3a side extended by being overlapped on the outer side is, as shown in FIGS. 3 and 4, the position protruding to the corner portion P of the gusset portions 4 and 4a or slightly protruding from the corner portion P. It is formed by extending it.

Reference numeral 8 denotes a tab on the side of the edge 3a formed by being overlapped as described above. Notches 9 and 9a serving as tearing start portions are formed on the edge portion of the tab 8 with a gap in the form of a tape. It is formed at regular intervals so that it can be cut .

  However, the optimum positions of the notches 9 and 9a in the vertical direction are determined by the contents to be filled.

  Further, in place of the V notches 9, 9a, an I notch or a scratch may be used.

In Example 1, when the tape 2 is heat-sealed, the easily peelable seal strength (easy peel strength) is set between the tape 2 and the main body film 3.

  Further, in Example 1, the main body film 3 is given a straight cut property by being stretched in a direction crossing the gusset bag.

  In FIG. 5, an alternate long and short dash line s is an imaginary line in the tearing direction when the V notches 9 and 9 a are picked to open the gusset bag 1.

6 to 9 show a state in which the gusset bag 1 shown in the first embodiment is opened. When the V notches 9 and 9a of the knob 8 are picked and tearing is started in the arrow direction in FIG. As shown in FIGS. 6 and 7, the main body film 3 is peeled off from the tape 2 as shown in FIGS. 6 and 7, and the edge 3 b reaches the tape 2. comes the body film 3 again is peeled off from the tape 2, can be cut upper half of gusset bag 1 as shown in FIG. 8, leaving the tape 2.

However , as shown in FIG. 8, the upper half of the gusset bag 1 remains connected to the tape 2, and the upper half of the mouthpiece 10 is exposed.

  FIG. 12 shows a scar 11 formed in the main body film 3 in place of the V notches 9 and 9a, and tearing can be started from the scar 11 portion.

Thus, if the scar 11 is formed in the main body film 3 side and the tape 2 side, the gusset bag 1 has the convenience that it can be opened from any position up and down.

  The main body film 3 is stretched in the tear direction.

Then, following the film embodiment of the body film 3 and the tape 2 used for gusset bag 1 described above.

Two-layer configuration example of main film 2-Main film material configuration: PET 12 μm / DL / LDPE 50 μm
PET 12 μm: PET film manufactured by Unitika Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. LDPE 50 μm: LDPE film manufactured by KK Corporation

-Material composition of the insertion tape 2: LLDPE 30 μm / DL / PET 12 μm / DL / Easy
-Peel film 30μm
LLDPE 30 μm: FT-XMTN film manufactured by Futamura Chemical Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. PET 12 μm: PET film manufactured by Unitika Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. Easy Peel film 30 μm: J Film Co., Ltd. SMXPY-3000
Film

Example of main body film 3 layer structure / Material structure of main body film 3: PET 12 μm / DL / uniaxially stretched PE 18 μm / DL /
LDPE30μm
PET 12 μm: Unitika Co., Ltd. PET film DL adhesive: Toyo Morton Co., Ltd. TM-550 adhesive Uniaxially stretched PE 18 μm: Electrochemical Industry Co., Ltd. Karariyan Y film DL adhesive: Toyo Morton Co., Ltd. TM-550 adhesive Agent LDPE 30 μm: LDPE film manufactured by KK Corporation

-Material composition of the insertion tape 2: LLDPE 30 μm / DL / PET 12 μm / DL / Easy
-Peel film 30μm
LLDPE 30 μm: FT-XMTN film manufactured by Futamura Chemical Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. PET 12 μm: PET film manufactured by Unitika Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. Easy Peel film 30 μm: J Film Co., Ltd. SMXPY-3000
Film

4-layer configuration example of the main body film 3 (aluminum foil configuration)
Material composition of the main body film 3: PET 12 μm / DL / uniaxially stretched PE 18 μm / DL /
AL foil 7μm / DL / LDPE30μm
PET 12 μm: Unitika Co., Ltd. PET film DL adhesive: Toyo Morton Co., Ltd. TM-550 adhesive Uniaxially stretched PE 18 μm: Electrochemical Industry Co., Ltd. Karariyan Y film DL adhesive: Toyo Morton Co., Ltd. TM-550 adhesive Agent Aluminum foil 7 μm: Aluminum foil manufactured by Mitsubishi Aluminum Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. LDPE 30 μm: LDPE film manufactured by KK Corporation

-Material composition of the insertion tape 2: LLDPE 30 μm / DL / PET 12 μm / DL / Easy
-Peel film 30μm
LLDPE 30 μm: FT-XMTN film manufactured by Futamura Chemical Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. PET 12 μm: PET film manufactured by Unitika Co., Ltd. DL adhesive: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. Easy Peel film 30 μm: J Film Co., Ltd. SMXPY-3000
Film

Material composition of the main body film 3: PET 12 μm / DL / uniaxially stretched PE 18 μm / DL / I
GS peel film 30μm
PET 12 μm: Unitika Co., Ltd. PET film DL adhesive: Toyo Morton Co., Ltd. TM-550 adhesive Uniaxially stretched PE 18 μm: Electrochemical Industry Co., Ltd. Karariyan Y film DL adhesive: Toyo Morton Co., Ltd. TM-550 adhesive Agent Easy peel film 30 μm: J Film Co., Ltd. SMXPY-3000
Film

-Material composition of the insertion tape 2: LLDPE 30 μm / DL / PET 12 μm / DL / E
G peel film 30μm
LLDPE 30 [mu] m: LL-XMTN film DL adhesive manufactured by Futamura Chemical Co., Ltd .: TM-550 adhesive manufactured by Toyo Morton Co., Ltd. PET 12 [mu] m: PET film DL adhesive manufactured by Unitika Co., Ltd. TM-550 adhesive manufactured by Toyo Morton Co., Ltd. Easy peel Film 30 μm: SMX PY- manufactured by J-Film Corporation
3000

Conventional configuration example

Example of general yokan packaging (opened from knife, scissors or notch)
-Quality composition of the main body film material 3: Example 1 K coat cellophane # 300 / DL / extruded LDPE # 50
Example 2 K coat cellophane # 300 / DL / AL # 7 / DL
/ LDPE # 50

Bag making example

Next, it relates gusset bag as described in Example 1, illustrating the bag-making example based on Figure 15.

a. First, the flat main body film 3 wound up in the form of a roll 12 is fed out, and both end edges 3a and 3b of the main body film 3 in the flat state are drawn together to form a cylindrical shape, and at one end of the pulling main body film 3 A first step of overlapping the edge 3a on the other edge 3b to form the knob 8;
b. Next, the a. In the first step, a scar 11 as an easy-opening means was formed on the edge portion so as to cover the edge 3b of the main body film 3 positioned on the inner side where the knob 8 was formed by overlapping. A second step of inserting the tape 2 and joining the edge 3b by heat sealing the inner edge 3b to the inner surface of the main body film 3 on the edge 3a side;
c. Next, b. The third step of forming the gusset portions 4 and 4a by performing V-shaped folding with the roller 14 along both sides of the main body film 3 formed in a cylindrical shape by joining in the second step of
d. Next, c. In the main body film 3 in which the gusset portions 4 and 4a are formed in the third step, the fourth step of forming V notches 9 and 9a as tearing start portions on the edge of the knob piece 8,
e. Next, the d. The fifth step of performing the top seal 5 on the main body film 3 formed with the V notches 9 and 9a as the tear starting portion in the fourth step of
f. Next, the e. Sixth step of forming a gusset bag 1 of a bag unit and cut the body film 3 subjected to top seal 5 in the fifth step of laterally straight,
g. The gusset bag 1 is made.
In the bag making described above, when the gusset bag 1 of Example 1 is made, no scar 11 is formed on the tape 2.
In FIG. 15, reference numeral 13 is a sailor, 14 is a guide roll for forming a gusset, and 15 is a roll obtained by scraping the tape 2.

DESCRIPTION OF SYMBOLS 1 Gusset bag 2 Tape 3 Main body film 3a, 3b End edge 4, 3a Gusset part 5 Top seal 6 Filling port 7 Bottom seal 8 Knob piece 9, 9a V notch 10 Single mouthpiece 11 Scar 12 Roll 13 Sailor 14 Guide roll 15 Roll seal Part

Claims (3)

The two side edges of the main body film are drawn together, and the other edge is overlapped on one edge to form a cylinder, and the inside of the edge of the film located inside the cylinder is covered. In this way, the tape is inserted, the tape is heat-sealed along the inner surface of the main body film, and both sides of the cylindrical main body film are folded inward in a V shape to form a gusset portion. In the tape insertion gusset bag, the end edge side of the main body film located outside when overlapped is extended in the width direction of the gusset bag to form a knob, and the edge of the knob is torn in a tape shape the body film and the heat seal strength between the tape and set to the easy peelability, further corners or a corner of the gusset portion the edge of the tab to form a tear initiation for Becomes set slightly protruding position from parts,
A tape insertion gusset bag characterized by that. 2. The tape insertion gusset bag according to claim 1, wherein the tape insertion gusset bag is stretched in a direction crossing the main body film. A tape insertion gusset bag, wherein the tear start portion formed on the knob according to claim 1 is formed of a V notch, an I notch or a scar.

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